Earth Day at Kids Domain
lots of information and activities including downloads, crafts and recipes, clip art, coloring pages, other resources, etc.

Earth Day Groceries Project
excellent and easy project for schools - collect, decorate, and distribute bags through local grocery stores

Earth Day Network
the
nonprofit coordinating body of worldwide Earth Day activities - goal is
to promote a healthy environment and a peaceful, just, sustainable
world by organizing events, activities, and annual campaigns

Earth Day Online
features History of Earth Day, Earth Day Events, Organizer's Guide, and Add Your Event plus EnviroLink News Headlines of the Day

Pumpkin Carving 101
everything you need to know about carving your own pumpkin masterpieces and have a lot of fun doing it

Hanukkah

The Hanukkah House
make
your own Hanukkah scene - a demonstration project integrating computers
and Jewish learning in a play-like setting. The Hanukkah House
reinforces Hebrew vocabulary through the creation of a Hanukkah scene.
The Hanukkah House comes in two versions: Java and non-Java.

Online Menorah
the Chanukah Menorah will be updated at 2000 GMT (3pm EST) on each day of the Holiday

National Cemetery System
designed
to assist you with National Cemetery information regarding: History,
Facts and Statistics, Addresses and Phone numbers, Customer Service
Standards, Burial Benefits, Eligibility, Arranging an Interment,
Military Honors, Headstones and Markers, Presidential Memorial
Certificates, and much more

Passover on the Net
fun
Holiday things for you and your family. We've got stories of Moses and
the exodus, we've got matzohs to find, songs to sing*, and matzoh brie
to make! So bring your kids and tell your friends.

Torah Tots
the story of Passover, The Seder, coloring pages, and fun and games

Rosh Hashanah

High Holy Days on the Net
stories
of Rosh Hashanah and Yom Kippur, a Shofar to blow, some sweet holiday
recipes to bake and holiday pictures for the kids to print and color.